Abstract: A method for implementing an exchange market involves gathering, from a multitude of users, a multitude of wish lists including a multitude of marketable products and gathering, from a multitude of users, a multitude of offer lists including a multitude of marketable products. The method continues by matching, using a data structure, a selection of marketable products from the multitude of offer lists stored in the data structure to a selection of marketable products from the multitude of wish lists stored in the data structure to identify a multitude of matches, assigning a ranking value to each of the multitude of matches based on information stored in the data structure, positioning the multitude of matches according to the ranking value to obtain an ordered list, and presenting the multitude of matches according the ordered list.